Paying Off a Credit Card Enter various payment options and determine how long it may take to pay off a credit card. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. All That Matters: Summer's Over. What Matters Now? In this episode, Mike and Ross cover what investors should be paying attention to as we ramp up into year end. 9 Facts About Social Security There are things about Social Security that might surprise you.